clean scope imports

imports of `std.range, std.algorithm, std.array, std.string,
std.format, std.uni` are affected.

std/algorithm.d

@@ -409,7 +409,7 @@ private T* addressOf(T)(ref T val) { return &val; }
 private template algoFormat()
 {
     import std.format : format;
-    alias algoFormat = std.string.format;
+    alias algoFormat = format;
 }
 
 /**
@@ -3119,7 +3119,7 @@ if (is(typeof(ElementType!Range.init == Separator.init))
 @safe unittest
 {
     import std.internal.test.dummyrange;
-    import std.range;
+    import std.algorithm;
 
     debug(std_algorithm) scope(success)
         writeln("unittest @", __FILE__, ":", __LINE__, " done.");
@@ -3181,6 +3181,7 @@ if (is(typeof(ElementType!Range.init == Separator.init))
 }
 @safe unittest
 {
+    import std.algorithm;
     import std.range;
     auto L = retro(iota(1L, 10L));
     auto s = splitter(L, 5L);
@@ -3658,14 +3659,14 @@ if (isSomeChar!C)
         {
             import std.uni : isWhite;
 
-            auto r = find!(std.uni.isWhite)(_s);
+            auto r = find!(isWhite)(_s);
             _frontLength = _s.length - r.length;
         }
 
     public:
         this(C[] s) pure @safe
         {
-            import std.string;
+            import std.string : strip;
             _s = s.strip();
             getFirst();
         }
@@ -3731,7 +3732,7 @@ if (isSomeChar!C)
     lines[1] = "line \ttwo".dup;
     lines[2] = "yah            last   line\ryah".dup;
     foreach (line; lines) {
-       foreach (word; std.array.splitter(std.string.strip(line))) {
+       foreach (word; splitter(strip(line))) {
             if (word in dictionary) continue; // Nothing to do
             auto newID = dictionary.length;
             dictionary[to!string(word)] = cast(uint)newID;
@@ -3748,7 +3749,7 @@ if (isSomeChar!C)
 @safe unittest
 {
     import std.conv : text;
-    import std.string : split;
+    import std.array : split;
 
     // Check consistency:
     // All flavors of split should produce the same results
@@ -5624,7 +5625,7 @@ if (Ranges.length > 1 && is(typeof(startsWith!pred(haystack, needles))))
 
 @safe unittest
 {
-    import std.string : toUpper;
+    import std.uni : toUpper;
 
     debug(std_algorithm) scope(success)
         writeln("unittest @", __FILE__, ":", __LINE__, " done.");
@@ -10383,7 +10384,7 @@ unittest
 unittest
 {
     import std.random : Random, unpredictableSeed, uniform;
-    import std.string : toUpper;
+    import std.uni : toUpper;
 
     debug(std_algorithm) scope(success)
         writeln("unittest @", __FILE__, ":", __LINE__, " done.");

std/array.d

@@ -1250,7 +1250,7 @@ if (isSomeString!S)
 unittest
 {
     import std.conv : to;
-    import std.string;
+    import std.format;
     import std.typecons;
 
     static auto makeEntry(S)(string l, string[] r)
@@ -2702,7 +2702,7 @@ unittest{
 
 unittest
 {
-    import std.string : format;
+    import std.format : format;
     auto app = appender!(int[])();
     app.put(1);
     app.put(2);

std/bitmanip.d

@@ -1570,7 +1570,7 @@ public:
     ///
     unittest
     {
-        import std.string : format;
+        import std.format : format;
 
         debug(bitarray) printf("BitArray.toString unittest\n");
         BitArray b;
@@ -1680,7 +1680,7 @@ public:
 
 unittest
 {
-    import std.string : format;
+    import std.format : format;
 
     BitArray b;
 
@@ -3424,7 +3424,7 @@ unittest
 
 unittest
 {
-    import std.string : format;
+    import std.format : format;
     import std.array;
     import std.typetuple;
     foreach(endianness; TypeTuple!(Endian.bigEndian, Endian.littleEndian))

std/complex.d

@@ -141,7 +141,7 @@ struct Complex(T)  if (isFloatingPoint!T)
         // Formatting with std.string.format specs: the precision and width
         // specifiers apply to both the real and imaginary parts of the
         // complex number.
-        import std.string : format;
+        import std.format : format;
         assert(format("%.2f", c)  == "1.20+3.40i");
         assert(format("%4.1f", c) == " 1.2+ 3.4i");
     }
@@ -866,7 +866,7 @@ unittest
 // Issue 10881: support %f formatting of complex numbers
 unittest
 {
-    import std.string : format;
+    import std.format : format;
 
     auto x = complex(1.2, 3.4);
     assert(format("%.2f", x) == "1.20+3.40i");

std/csv.d

@@ -1209,7 +1209,7 @@ public:
     void popFront()
     {
         static if (ErrorLevel == Malformed.throwException)
-            import std.string : format;
+            import std.format : format;
         // Skip last of record when header is depleted.
         if (_popCount.ptr && _popCount.empty)
             while(!recordEnd())

std/datetime.d

@@ -496,7 +496,7 @@ private:
   +/
 struct SysTime
 {
-    import std.string : format;
+    import std.format : format;
     import std.typecons : Rebindable;
 
 public:
@@ -8835,7 +8835,7 @@ private:
  +/
 struct Date
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -13079,7 +13079,7 @@ private:
 +/
 struct TimeOfDay
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -14294,7 +14294,7 @@ private:
   +/
 struct DateTime
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -17298,7 +17298,7 @@ private:
   +/
 struct Interval(TP)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -20198,7 +20198,7 @@ unittest
   +/
 struct PosInfInterval(TP)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -22385,7 +22385,7 @@ unittest
   +/
 struct NegInfInterval(TP)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -25087,7 +25087,7 @@ unittest
 struct IntervalRange(TP, Direction dir)
     if(isTimePoint!TP && dir != Direction.both)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -25585,7 +25585,7 @@ unittest
 struct PosInfIntervalRange(TP)
     if(isTimePoint!TP)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -25873,7 +25873,7 @@ unittest
 struct NegInfIntervalRange(TP)
     if(isTimePoint!TP)
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -26136,7 +26136,7 @@ unittest
   +/
 abstract class TimeZone
 {
-    import std.string : format;
+    import std.format : format;
 public:
 
     /++
@@ -26277,7 +26277,7 @@ auto tz = TimeZone.getTimeZone("America/Los_Angeles");
             return PosixTimeZone.getTimeZone(name);
         else version(Windows)
         {
-            import std.string : format;
+            import std.format : format;
             if(auto windowsTZName = tzDatabaseNameToWindowsTZName(name))
             {
                 try
@@ -27258,7 +27258,7 @@ private:
   +/
 final class UTC : TimeZone
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -27392,7 +27392,7 @@ private:
   +/
 final class SimpleTimeZone : TimeZone
 {
-    import std.string : format;
+    import std.format : format;
 
 public:
 
@@ -28718,7 +28718,7 @@ else version(Windows)
 {
     final class WindowsTimeZone : TimeZone
     {
-        import std.string : format;
+        import std.format : format;
         import std.conv : to;
         import std.algorithm : sort;
         import std.array : appender;
@@ -29547,7 +29547,7 @@ string tzDatabaseNameToWindowsTZName(string tzName) @safe pure nothrow @nogc
 
 version(Windows) unittest
 {
-    import std.string : format;
+    import std.format : format;
     foreach(tzName; TimeZone.getInstalledTZNames())
         assert(tzDatabaseNameToWindowsTZName(tzName) !is null, format("TZName which failed: %s", tzName));
 }
@@ -29692,7 +29692,7 @@ string windowsTZNameToTZDatabaseName(string tzName) @safe pure nothrow @nogc
 
 version(Windows) unittest
 {
-    import std.string : format;
+    import std.format : format;
     foreach(tzName; WindowsTimeZone.getInstalledTZNames())
         assert(windowsTZNameToTZDatabaseName(tzName) !is null, format("TZName which failed: %s", tzName));
 }
@@ -30205,7 +30205,7 @@ static bool yearIsLeapYear(int year) @safe pure nothrow
 
 unittest
 {
-    import std.string : format;
+    import std.format : format;
     foreach(year; [1, 2, 3, 5, 6, 7, 100, 200, 300, 500, 600, 700, 1998, 1999,
                    2001, 2002, 2003, 2005, 2006, 2007, 2009, 2010, 2011])
     {
@@ -31471,7 +31471,7 @@ bool validTimeUnits(string[] units...) @safe pure nothrow
  +/
 int cmpTimeUnits(string lhs, string rhs) @safe pure
 {
-    import std.string : format;
+    import std.format : format;
     import std.algorithm : countUntil;
 
     auto tstrings = timeStrings;
@@ -31643,7 +31643,7 @@ void enforceValid(string units)(int value, string file = __FILE__, size_t line =
        units == "minutes" ||
        units == "seconds")
 {
-    import std.string : format;
+    import std.format : format;
 
     static if(units == "months")
     {
@@ -31685,7 +31685,7 @@ void enforceValid(string units)
                  (int year, Month month, int day, string file = __FILE__, size_t line = __LINE__) @safe pure
     if(units == "days")
 {
-    import std.string : format;
+    import std.format : format;
     if(!valid!"days"(year, month, day))
         throw new DateTimeException(format("%s is not a valid day in %s in %s", day, month, year), file, line);
 }
@@ -32317,7 +32317,7 @@ unittest
   +/
 string monthToString(Month month) @safe pure
 {
-    import std.string : format;
+    import std.format : format;
     assert(month >= Month.jan && month <= Month.dec, format("Invalid month: %s", month));
     return _monthNames[month - Month.jan];
 }
@@ -32350,7 +32350,7 @@ unittest
   +/
 Month monthFromString(string monthStr) @safe pure
 {
-    import std.string : format;
+    import std.format : format;
     switch(monthStr)
     {
         case "Jan":
@@ -32456,7 +32456,7 @@ unittest
   +/
 static string fracSecsToISOString(int hnsecs) @safe pure nothrow
 {
-    import std.string : format;
+    import std.format : format;
     assert(hnsecs >= 0);
 
     try

std/net/isemail.d

@@ -1301,7 +1301,7 @@ struct EmailStatus
     /// Returns a textual representation of the email status
     string toString ()
     {
-        import std.string;
+        import std.format : format;
         return format("EmailStatus\n{\n\tvalid: %s\n\tlocalPart: %s\n\tdomainPart: %s\n\tstatusCode: %s\n}", valid,
             localPart, domainPart, statusCode);
     }

std/parallelism.d

@@ -4187,7 +4187,7 @@ unittest
         void next(ref char[] buf)
         {
             file.readln(buf);
-            import std.string;
+            import std.string : chomp;
             buf = chomp(buf);
         }
 

std/path.d

@@ -2895,12 +2895,14 @@ string expandTilde(string inputPath)
             }
             else
             {
+                import std.string : indexOf;
+
                 assert(path.length > 2 || (path.length == 2 && !isDirSeparator(path[1])));
                 assert(path[0] == '~');
 
                 // Extract username, searching for path separator.
                 string username;
-                auto last_char = std.string.indexOf(path, dirSeparator[0]);
+                auto last_char = indexOf(path, dirSeparator[0]);
 
                 if (last_char == -1)
                 {

std/regex/internal/tests.d

@@ -646,14 +646,14 @@ unittest
 {
     void test(alias matchFn)()
     {
-        import std.string : toUpper;
+        import std.uni : toUpper;
 
         foreach(i, v; TypeTuple!(string, wstring, dstring))
         {
             auto baz(Cap)(Cap m)
             if (is(Cap == Captures!(Cap.String)))
             {
-                return std.string.toUpper(m.hit);
+                return toUpper(m.hit);
             }
             alias String = v;
             assert(std.regex.replace!(matchFn)(to!String("ark rapacity"), regex(to!String("r")), to!String("c"))

std/stdio.d

@@ -490,7 +490,7 @@ Throws: $(D ErrnoException) in case of error.
     void windowsHandleOpen(HANDLE handle, in char[] stdioOpenmode)
     {
         import std.exception : errnoEnforce;
-        import std.string : format;
+        import std.format : format;
 
         // Create file descriptors from the handles
         version (DIGITAL_MARS_STDIO)
@@ -630,7 +630,7 @@ Throws: $(D ErrnoException) on error.
         scope(exit) _p.handle = null; // nullify the handle anyway
         version (Posix)
         {
-            import std.string : format;
+            import std.format : format;
 
             if (_p.isPopened)
             {

std/traits.d

@@ -534,7 +534,7 @@ unittest
 private template fqnType(T,
     bool alreadyConst, bool alreadyImmutable, bool alreadyShared, bool alreadyInout)
 {
-    import std.string : format;
+    import std.format : format;
 
     // Convenience tags
     enum {
@@ -740,7 +740,7 @@ private template fqnType(T,
 
 unittest
 {
-    import std.string : format;
+    import std.format : format;
     alias fqn = fullyQualifiedName;
 
     // Verify those 2 are the same for simple case

std/uni.d

@@ -2350,7 +2350,7 @@ public:
     unittest
     {
         import std.conv : to;
-        import std.string : format;
+        import std.format : format;
         import std.uni : unicode;
 
         assert(unicode.Cyrillic.to!string ==
@@ -2369,7 +2369,7 @@ public:
     unittest
     {
         import std.exception : assertThrown;
-        import std.string : format;
+        import std.format : format;
         assertThrown!FormatException(format("%a", unicode.ASCII));
     }
 
@@ -2538,7 +2538,7 @@ public:
     string toSourceCode(string funcName="")
     {
         import std.array : array;
-        import std.string : format;
+        import std.format : format;
         import std.algorithm : countUntil;
         enum maxBinary = 3;
         static string linearScope(R)(R ivals, string indent)
@@ -4740,7 +4740,7 @@ template Utf8Matcher()
     // from 3 primitives: tab!(size), lookup and Sizes
     mixin template DefMatcher()
     {
-        import std.string : format;
+        import std.format : format;
         enum hasASCII = staticIndexOf!(1, Sizes) >= 0;
         alias UniSizes = Erase!(1, Sizes);
 
@@ -5376,7 +5376,7 @@ package auto units(C)(C[] s)
 unittest
 {
     import std.exception : collectException;
-    import std.string : format;
+    import std.format : format;
     import std.algorithm;
     auto utf16 = utfMatcher!wchar(unicode.L);
     auto utf8 = utfMatcher!char(unicode.L);
@@ -8496,7 +8496,7 @@ S toLower(S)(S s) @trusted pure
 
 @trusted unittest //@@@BUG std.format is not @safe
 {
-    import std.string : format;
+    import std.format : format;
     foreach(ch; 0..0x80)
         assert(std.ascii.toLower(ch) == toLower(ch));
     assert(toLower('Я') == 'я');
@@ -8603,7 +8603,7 @@ dchar toUpper(dchar c)
 
 @trusted unittest
 {
-    import std.string : format;
+    import std.format : format;
     foreach(ch; 0..0x80)
         assert(std.ascii.toUpper(ch) == toUpper(ch));
     assert(toUpper('я') == 'Я');
@@ -8671,7 +8671,7 @@ unittest
 {
     static void doTest(C)(const(C)[] s, const(C)[] trueUp, const(C)[] trueLow)
     {
-        import std.string : format;
+        import std.format : format;
         string diff = "src: %( %x %)\nres: %( %x %)\ntru: %( %x %)";
         auto low = s.toLower() , up = s.toUpper();
         auto lowInp = s.dup, upInp = s.dup;
@@ -8834,7 +8834,7 @@ bool isSymbol(dchar c)
 
 unittest
 {
-    import std.string;
+    import std.format : format;
     assert(isSymbol('\u0024'));
     assert(isSymbol('\u002B'));
     assert(isSymbol('\u005E'));
@@ -8881,7 +8881,7 @@ bool isGraphical(dchar c)
 unittest
 {
     auto set = unicode("Graphical");
-    import std.string;
+    import std.format : format;
     foreach(ch; set.byCodepoint)
         assert(isGraphical(ch), format("%4x", ch));
     foreach(ch; 0..0x4000)

std/uri.d

@@ -397,19 +397,19 @@ size_t uriLength(Char)(in Char[] s) if (isSomeChar!Char)
      *  https://
      *  www.
      */
-    import std.string : icmp;
+    import std.uni : icmp;
 
     size_t i;
 
     if (s.length <= 4)
         return -1;
 
-    if (s.length > 7 && std.string.icmp(s[0 .. 7], "http://") == 0) {
+    if (s.length > 7 && icmp(s[0 .. 7], "http://") == 0) {
         i = 7;
     }
     else
     {
-        if (s.length > 8 && std.string.icmp(s[0 .. 8], "https://") == 0)
+        if (s.length > 8 && icmp(s[0 .. 8], "https://") == 0)
             i = 8;
         else
             return -1;

std/uuid.d

@@ -1565,7 +1565,7 @@ public class UUIDParsingException : Exception
         Throwable next = null, string file = __FILE__, size_t line = __LINE__) pure @trusted
     {
         import std.array : replace;
-        import std.string : format;
+        import std.format : format;
         this.input = input;
         this.position = pos;
         this.reason = why;

std/variant.d

@@ -954,7 +954,7 @@ public:
         {
             string tryUseType(string tp)
             {
-                import std.string : format;
+                import std.format : format;
                 return q{
                     static if (allowed!%1$s && T.allowed!%1$s)
                         if (convertsTo!%1$s && other.convertsTo!%1$s)